Hex #1a7699 or rgb(26,118,153) in RGB space is the tint of bluish cian. It has hue angle of 196.54 degrees, value = 60 and saturation = 83. #1a7699 can be obtained by mixing 4 colors: 3 drops of blue, 3 drops of cyan, 1 drop of white, 3 drops of black.
Nearest safe hex - #336699. Below you can see the block with #1a7699 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a7699 to the mixer and play with it.